Abstract
After a century of controversies, we are still not certain on the relationship between airway volume and facial morphology. To measure nasopharyngeal airway volume and compare it among different skeletal patterns. Forty five CBCT scans of patients between sixteen to twenty five years were used in the study. The nasopharyngeal airway was divided into upper, middle and lower segments. CBCT images were grouped into skeletal class I, class II and class III. There was highly significant difference in upper (p=0.001) and middle pharyngeal airway volume (p<0.001) among 3 skeletal groups. Lower pharyngeal airway volume was also statistically significant (p=0.051) among 3 groups. Total pharyngeal airway volume did not show any significant correlation. Nasopharyngeal airway volume seems to play a role in different skeletal patterns.
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